30435020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19763}}^1$

素因数の和:19790

約数の個数: 48

約数和(自身を含む): 79688448

約数和(自身を除く): 49253428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19763, 39526, 79052, 98815, 138341, 197630, 217393, 276682, 395260, 434786, 553364, 691705, 869572, 1086965, 1383410, 1521751, 2173930, 2766820, 3043502, 4347860, 6087004, 7608755, 15217510, 30435020]

約数ペア:

[(1, 30435020), (2, 15217510), (4, 7608755), (5, 6087004), (7, 4347860), (10, 3043502), (11, 2766820), (14, 2173930), (20, 1521751), (22, 1383410), (28, 1086965), (35, 869572), (44, 691705), (55, 553364), (70, 434786), (77, 395260), (110, 276682), (140, 217393), (154, 197630), (220, 138341), (308, 98815), (385, 79052), (770, 39526), (1540, 19763)]